Boredrums

It Runs in the Family Kill a boss with every playable character.

Break a Leg Fend off a menace from above in Mission 05 as Nero, Dante, or V.
0/1

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Street Fighter Complete all Dragon's Teeth Assignments

Harmonic Convergence Pick up all traveler instruments simultaneously with your signalscope.

Artful extraction Absorb your third Boss Stem Cell

They call me… Tim Hire an Iron Wolf

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

The Last Step The Iron Wayfarer's journey finally ends.

Happy New Year! Toll a bell 12 times.

Light in the Darkness Clear Mission 08 as Nero, Dante, or V.
0/3

Finished, without fear. Finish the game with two Boss Stem Cells active

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Going to the Vet Earn the "Veteran" Challenge Collection.
0/10

Aspirant, Shivering Isles Reached Aspirant Rank in the Court of Madness

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Gesture Collector Collect all gestures.
0/1

Runemender Free the runemender.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

Fermosa Fembra Defeat Svsona, Fermosa Fembra.

Gabe Fan Collect all cassette tapes!

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Supernova Get 3 stars on each of the first 14 Echoes

EXTRA: Unearthly Bolt Evolve the Unearthly Bolt.

Nahantu Sightseer Explore all of Nahantu.
0/100

Stronger Together Finish a dungeon in co-op mode.

Maybe I should set up my own shop? Vendor 1,000 items
824/1000

Punks Not Dead! Finish the game with Edward's Essence.

The Merciless One Execute 50 different enemies.
12/50

Good Father Collect all robot pieces

Insomniac Don't sleep for two days and nights.

Real men don't need a map Just in case you picked up a shielding map

The epitome of Super Earth Complete all Trophies.

Golden Idol Perform every Single Player Skillshot in the game

Good Merchant Sell 20 items for the perfect price

Firestarter Get jailed in Skalitz.

Decked Out Purchase or unlock all relics, equipment, and upgrades.

Saver Collect more than 5000 gold

The Postman Delivered the journal to Lucien.

The Finest Craftmanship Unlock all slots in the Altarpiece of Favours.

Most Curious Resolve 20 puzzle events.

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

EXTRA: Big Troubler Defeat 1 Bat Dragon.

Inferno Adept Collect all Inferno spells.
0/1

Perfectionist Kill a boss without receiving damage.

Go Figure Plant ShadowChild's figurine.

Chapter 9 Speedrun Complete a Speedrun of Chapter 9 below the target time.

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)